13841737668 has 144 divisors (see below), whose sum is σ = 39304801536. Its totient is φ = 4070969280.

The previous prime is 13841737667. The next prime is 13841737673. The reversal of 13841737668 is 86673714831.

13841737668 is a `hidden beast` number, since 138 + 417 + 37 + 6 + 68 = 666.

It is not an unprimeable number, because it can be changed into a prime (13841737667) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2773071 + ... + 2778057.

Almost surely, 2^13841737668 is an apocalyptic number.

13841737668 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13841737668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19652400768).

13841737668 is an abundant number, since it is smaller than the sum of its proper divisors (25463063868).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13841737668 is a wasteful number, since it uses less digits than its factorization.

13841737668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5214 (or 5209 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 54.

The spelling of 13841737668 in words is "thirteen billion, eight hundred forty-one million, seven hundred thirty-seven thousand, six hundred sixty-eight".